Ikano, R., D. G. E. Setiawan, M. Yunus, M. Demulawa, and I. Rahman. “Real-Time and Accurate PH Sensor Based on Internet of Things (IoT)”. Dewantara Journal of Technology, vol. 5, no. 1, Nov. 2024, pp. 34-38, doi:10.59563/djtech.v5i1.312.